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BOSTON MARATHON 2025

William Sechrist

Bib: 12230•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 39%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 41%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:35/mi
23:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
46:55
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:10:23
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:34:14
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:39:25
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
1:58:19
↑ 66↓ 880.2%
30K· 18.64 mi
7:57/mi
2:23:00
↑ 181↓ 1480.2%
20M
7:58/mi
2:33:50
↑ 64↓ 500.2%
21M
8:17/mi
2:42:07
↑ 106↓ 241.6%
35K· 21.75 mi
7:53/mi
2:48:01
↑ 17↓ 861.7%
23M
7:58/mi
2:57:59
↑ 23↓ 630.6%
24M
7:46/mi
3:05:45
↓ 821.3%
40K· 24.85 mi
7:42/mi
3:12:20
↓ 200.3%
25.2M
8:30/mi
3:15:16
↑ 13↓ 160.2%
Finish· 26.22 mi
7:33/mi
3:22:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:25
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:43:33
Pace7:54 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2923:347:3523:34
7:35
-
10K
6.21 mi11:14:5046:557:3323:21
7:31
-0:04
15K
9.32 mi11:38:181:10:237:3323:28
7:33
+0:02
20K
12.43 mi12:02:091:34:147:3523:51
7:41
+0:08
Half
13.11 mi12:07:201:39:257:355:11
7:36
-0:05
25K
15.53 mi12:26:141:58:197:3718:54
7:48
+0:12
30K
18.64 mi12:50:552:23:007:4024:41
7:57
+0:09
20M
20.00 mi13:01:452:33:507:4110:50
7:58
+0:01
21M
21.00 mi13:10:022:42:077:438:17
8:17
+0:19
35K
21.75 mi13:15:562:48:017:445:54
7:53
-0:24
23M
23.00 mi13:25:542:57:597:449:58
7:58
+0:05
24M
24.00 mi13:33:403:05:457:447:46
7:46
-0:12
40K
24.85 mi13:40:153:12:207:446:35
7:42
-0:04
25.2M
25.20 mi13:43:113:15:167:452:56
8:30
+0:48
Finish
26.22 mi13:50:533:22:587:457:42
7:33
-0:57

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:31 /mi

Average Pace

7:45 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:45

94% of race

Time at Steady Pace

11:13

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:51:2923:347:3523:34
7:35
#12970
10K
6.21 mi11:14:5046:557:3323:21
7:31
#12571
15K
9.32 mi11:38:181:10:237:3323:28
7:33
#12436
20K
12.43 mi12:02:091:34:147:3523:51
7:41
#12335
Half
13.11 mi12:07:201:39:257:355:11
7:36
#12348
25K
15.53 mi12:26:141:58:197:3718:54
7:48
#12332
30K
18.64 mi12:50:552:23:007:4024:41
7:57
#12005
20M
20.00 mi13:01:452:33:507:4110:50
7:58
#11829
21M
21.00 mi13:10:022:42:077:438:17
8:17
#11643
35K
21.75 mi13:15:562:48:017:445:54
7:53
#11619
23M
23.00 mi13:25:542:57:597:449:58
7:58
#11464
24M
24.00 mi13:33:403:05:457:447:46
7:46
#11326
40K
24.85 mi13:40:153:12:207:446:35
7:42
#11168
25.2M
25.20 mi13:43:113:15:167:452:56
8:30
#11110
Finish
26.22 mi13:50:533:22:587:457:42
7:33
#11022
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi129709632963212199(Top 43%)9144(Top 57%)9144(Top 383%)
10K6.21 mi3.10 mi12571+3999423+2099423+20912234(Top 43%)9249(Top 57%)9249(Top 388%)
15K9.32 mi3.11 mi12436+1359327+969327+9612199(Top 43%)9144(Top 57%)9144(Top 383%)
20K12.43 mi3.11 mi12335+1019248+799248+7912180(Top 43%)9048(Top 56%)9048(Top 379%)
Half13.11 mi0.68 mi12348-139246+29246+212481(Top 44%)9211(Top 57%)9211(Top 386%)
25K15.53 mi2.42 mi12332+169205+419205+4112274(Top 43%)8973(Top 56%)8973(Top 376%)
30K18.64 mi3.11 mi12005+3278978+2278978+22710983(Top 39%)8175(Top 51%)8175(Top 343%)
20M20.00 mi1.36 mi11829+1768860+1188860+11810241(Top 36%)7659(Top 48%)7659(Top 321%)
21M21.00 mi1.00 mi11643+1868728+1328728+1329117(Top 32%)6885(Top 43%)6885(Top 289%)
35K21.75 mi0.75 mi11619+248694+348694+3411429(Top 40%)8063(Top 50%)8063(Top 338%)
23M23.00 mi1.25 mi11464+1558568+1268568+1269729(Top 34%)7097(Top 44%)7097(Top 297%)
24M24.00 mi1.00 mi11326+1388469+998469+999558(Top 34%)6950(Top 43%)6950(Top 291%)
40K24.85 mi0.85 mi11168+1588360+1098360+1098079(Top 28%)6041(Top 38%)6041(Top 253%)
25.2M25.20 mi0.35 mi11110+588315+458315+458800(Top 31%)6359(Top 39%)6359(Top 267%)
Finish26.22 mi1.02 mi11022+888241+748241+749590(Top 34%)6762(Top 42%)6762(Top 283%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12199

Males

9144

M45-49

9144

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12234

Males

9249

M45-49

9249

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12199

Males

9144

M45-49

9144

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12180

Males

9048

M45-49

9048

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12481

Males

9211

M45-49

9211

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12274

Males

8973

M45-49

8973

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10983

Males

8175

M45-49

8175

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10241

Males

7659

M45-49

7659

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

9117

Males

6885

M45-49

6885

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11429

Males

8063

M45-49

8063

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9729

Males

7097

M45-49

7097

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9558

Males

6950

M45-49

6950

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

8079

Males

6041

M45-49

6041

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8800

Males

6359

M45-49

6359

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9590

Males

6762

M45-49

6762

Passing Analysis

Category:
Athletes Passed
2809
Passed By
861
Net Change
+1948
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12970
5K → 10K530131+399#12970#12571
10K → 15K262127+135#12571#12436
15K → 20K237136+101#12436#12335
20K → Half2740-13#12335#12348
Half → 25K162146+16#12348#12332
25K → 30K40780+327#12332#12005
30K → 20M20933+176#12005#11829
20M → 21M20923+186#11829#11643
21M → 35K6945+24#11643#11619
35K → 23M18328+155#11619#11464
23M → 24M16325+138#11464#11326
24M → 40K1657+158#11326#11168
40K → 25.2M6810+58#11168#11110
25.2M → Finish11830+88#11110#11022
TOTALS2809861+1948
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing